Complete guide

Semi-Slav Defense: Complete Guide

The most theoretically demanding Queen's Gambit system — Black plays both c6 and e6, blending Slav solidity with Queen's Gambit Declined flexibility. Drill every main line against an adaptive engine, backed by real Lichess win rates and Stockfish evaluations.

14 variations 10,384,506 total games Avg Stockfish +0.09

Play the main line: Semi-Slav Defense: Accelerated Move Order

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All 14 variations of the Semi-Slav Defense

Openings & Plans Semi-Slav Defense: Accelerated Move Order ECO D31 4M games Openings & Plans Semi-Slav Defense ECO D43 2M games Openings & Plans Semi-Slav Defense: Accelerated Move Order: e3 ECO D31 1M games Openings & Plans Semi-Slav Defense: Accelerated Move Order: cxd5 ECO D31 520K games Openings & Plans Semi-Slav Defense: Bg5 ECO D43 411K games Openings & Plans Semi-Slav Defense: e3 ECO D43 391K games Openings & Plans Semi-Slav Defense: Accelerated Move Order: Nf3 ECO D31 338K games Openings & Plans Semi-Slav Defense: cxd5 ECO D43 307K games Openings & Plans Semi-Slav Defense: Accelerated Move Order: e4 ECO D31 112K games Openings & Plans Semi-Slav Defense: Accelerated Move Order: Bf4 ECO D31 76K games Openings & Plans Semi-Slav Defense: Accelerated Move Order: a3 ECO D31 51K games Openings & Plans Semi-Slav Defense: Bf4 ECO D43 37K games Openings & Plans Semi-Slav Defense: a3 ECO D43 19K games Openings & Plans Semi-Slav Defense: g3 ECO D43 10K games

Frequently asked questions about the Semi-Slav Defense

What is the semi-slav in chess?

The Semi-Slav is a chess opening family with 14 variations covered on Chessy. Over 10 million Lichess games have reached these positions across all rating levels.

Other opening families